100551161050 has 24 divisors (see below), whose sum is σ = 188876903292. Its totient is φ = 39822240000.

The previous prime is 100551161047. The next prime is 100551161069. The reversal of 100551161050 is 50161155001.

100551161050 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 63990279369 + 36560881681 = 252963^2 + 191209^2 .

It is a super-2 number, since 2×100551161050² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9950511 + ... + 9960610.

Almost surely, 2^100551161050 is an apocalyptic number.

100551161050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100551161050 is a deficient number, since it is larger than the sum of its proper divisors (88325742242).

100551161050 is a wasteful number, since it uses less digits than its factorization.

100551161050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19911234 (or 19911229 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 100551161050 in words is "one hundred billion, five hundred fifty-one million, one hundred sixty-one thousand, fifty".